# # print(0 / 10)
# a = 10
# b = 20
# c = 30
# print(a < b < c)
# print(a > b and b < c)
#
# print(a > b or b < c)
# print(a > b or b < c)
#
# print(not a == 10)

# a = 6
# b = 9
# a, b = b, a
# print(a, b)

